Concentrations of Hydrocarbons and Heavy Metals in Groundwater from Andoni Local Government Area of Rivers State Nigeria

Ideriah T.J.K., Abam T. K. S., G. I. Uzamaden and C Okafor
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Ideriah T.J.K.: Institute of Pollution Studies, Rivers State University, Port Harcourt.
Abam T. K. S.: Institute of Geosciences and Environmental Management, Rivers State University, Port Harcourt.
G. I. Uzamaden: Institute of Geosciences and Environmental Management, Rivers State University, Port Harcourt.
C Okafor: Chemistry Department, Rivers State University, Port Harcourt.

International Journal of Research and Innovation in Applied Science, 2024, vol. 9, issue 7, 97-108

Abstract: The concentrations of Polycyclic Aromatic Hydrocarbons (PAHs), Total Hydrocarbons contents (THCs) and heavy metals in groundwater from parts of Andoni Local Government Area in Rivers State were determined using Gas Chromatography-Mass Spectroscopy for PAHs, Spectrophotometer for THC and Atomic Absorption Spectrophotometer for heavy metals. The results showed maximum mean levels of Polycyclic Aromatic Hydrocarbons (0.642 ppm) and Total Hydrocarbons content (3.23±4.24 ppm), Manganese (0.705±0.125), Iron (0.217±0.300), Lead (0.355±0.488), Chromium (0.096±0.132) and Nickel (0.151±0.149) mg/L. The Polycyclic Aromatic Hydrocarbon levels were above permissible limits and the Total Hydrocarbons content levels were above acceptable limits in some stations. Lead and nickel levels were above standard limits in some stations. The high levels of lead and nickel portend toxic and carcinogenic risks in some stations, especially to the environment and children in the study areas. The results showed that Groundwater in the study area is poor for drinking purposes in some areas and can pose health hazards in the area if consumed without proper treatment. Thus, adequate treatment of the groundwater in the affected areas is recommended.

Date: 2024
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